• 제목/요약/키워드: 학자

검색결과 1,887건 처리시간 0.31초

National Assessment System Development of Science-Related Affective Domain (국가수준의 과학에 관련된 정의적 특성의 평가체제 개발)

  • Kim, Hyo-Nam;Chung, Wan-Ho;Jeong, Jin-Woo
    • Journal of The Korean Association For Science Education
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    • 제18권3호
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    • pp.357-369
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    • 1998
  • Science-related affective domain is considered as a very important domain for achieving students' scientific literacy. Most science educational objectives include some objectives about affective domain such as scientific attitudes, values, curiosity, interests and concerns about nature and science. In this research, the evaluation framework and items of science-related affective domain were developed. The evaluation framework consists of three main categories such as cognition, interest and scientific attitudes and 16 subcategories. The validity of the evaluation framework is tested by ten science educators. Forty-eight items are selected among item pool by considering item response analysis and item-test correlation coefficient. The Cronbach ${\alpha}$ of the tests is 0.83(cognition and interest) and 0.86(scientific attitudes). The results of the test are as follows. First, boys got higher scores than girls. Second, elementary students got higher scores than secondary students. Finally. students in urban areas showed higher scores than those in rural areas.

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Financing Sources for College Education - Demands of Current Incomes, Savings, and Education Loans (대학교육비 지불원천에 관한 분석 - 소득, 저축, 학자금대출의 사용여부와 사용액)

  • Cha, Kyung-Wook;Joung, Soon-Hee
    • Journal of Families and Better Life
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    • 제24권5호
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    • pp.251-270
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    • 2006
  • This study examined how the households used and combined financing sources to pay for college education. It compared the probability of using each source (current incomes, saving, education loans and grants) by households' socio-economic characteristics and analyzed which factors influence the decision to use each source and the amounts from each source for financing college education. Data for this study were from a questionnaire completed by 4-year college students (n=623) and were analyzed by t-tests, ANOVA and Heckman's two-step estimation models. The findings of this study were as follows: First, the most frequent source for college education was parents' savings and the second one was parents' incomes. Also, the most frequent combination of sources was saving and current incomes and the second was combination of three sources, saving, incomes and education loans. Second, the probability of using incomes was higher for younger students than for older students. The number of siblings showed significant differences among income, savings and education loans. Those who had higher incomes were more likely to use current incomes, saving, but less likely to borrow for financing college education. Middle-class income groups were more likely to borrow for education. Third, household incomes and asset holdings had generally positive impacts on the probability of using incomes and savings for college education, while total debt burden decreased both the probability and amounts of income and saving sources. The college costs had significantly positive effects on both the probability and the amounts of all of financing sources. Total grants received significantly decreased the amounts from incomes, savings and borrowing sources.

The Effect of Entrepreneurship Education on Entrepreneurial Leadership of University Students (기업가정신교육이 대학생들의 기업가적 리더십에 미치는 영향에 관한 연구)

  • Yang, Jun-Hwan
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • 제13권3호
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    • pp.59-69
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    • 2018
  • This study aimed at ascertaining the effect of entrepreneurship education on fostering entrepreneurial leadership in the context of Korean university students. Total 224 students participated in the study from three different universities nationwide. In order to acquire clear understanding of the effect of entrepreneurship education on entrepreneurial leadership, three key variables that include proactiveness, innovativeness and risk-taking were focused on the study in line with the prior studies. The findings suggest that entrepreneurship education had positive relationships with proactiveness, innovativeness and risk-taking, all of which are known as the key elements of entrepreneurial leadership. The findings imply that entrepreneurship education should be reinforced to foster the basic competence of entrepreneurial leadership for university students. Both theoretical and practical implications were provided to give guidelines the effective entrepreneurship education down the road.

Towards the Theory of CEO Leadership: A Conceptual Model based on Charismatic, Transformational and Transactional Leadership (CEO 리더십 이론에 관한 개념적 모델의 탐색적 연구: 카리스마적, 변혁적, 거래적 리더십을 중심으로)

  • Park, Jung Min;Song, Yun Ah;Ryu, Ki Hyun;Lee, Jae Eun
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • 제8권1호
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    • pp.13-17
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    • 2013
  • Leadership is one of the most widely explored subjects in the field of management. A variety of papers on leadership, however, still have insufficient aspects to reveal the theoretical logic about the CEO leadership itself. Such research, especially focused on organizational performance, tend to concentrate on the CEO's behavior rather than leadership because CEO's behavioral trait as an explanatory variable is useful to connect with firms' performance. Our purpose is to show how the characteristic of CEO leadership can be built at the organizational level. For a detail, the larger the firms' size, the greater the degree of CEO's charismatic leadership. The larger the degree of a firm's diversification, the greater the degree of the CEO's transformational leadership. And the less the degree of a firm's diversification, the greater the degree of the CEO's transactional leadership. This theoretical paper on CEO leadership suggests that the characteristics of CEO should be adaptable to the changing institutions and organizational environments.

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Managerial Strategies for Records Reappraisal and Deaccessioning at Archives (기록물 재평가 및 처분을 통한 보존관리 전략에 관한 연구 - 사기록관을 중심으로 -)

  • Seo Eun-Gyoung
    • Journal of the Korean Society for Library and Information Science
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    • 제40권3호
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    • pp.35-51
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    • 2006
  • Prior to the 1980's, reappraisal and deaccessioning were considered as an 'anti-archival' activity. Recently. however, many archivists have come to realize that a reappraisal and deaccessioning is essential to providing better access to more important records and to strengthen and refine holdings. To develop a program with strong and well-focused holding appropriate to the Purpose and environments of archives. archives have to carry out systematic and continuing Procedure to reevaluate past appraisal. This study explores the various main issues and opinions with regard to reappraisal and deaccessioning and then. suggests the reappraisal principles and deaccessioning procedures such as return of the materials to donor. transfer to more appropriate depository, destruction of the material.

A study on the revision of the mathematics glossary (수학 편수 자료 개정을 위한 기초 연구)

  • 김흥기;박교식;박경미;이장주;정승진
    • Journal of Educational Research in Mathematics
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    • 제13권2호
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    • pp.179-225
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    • 2003
  • The purpose of this study is to revise the previous mathematics glossary Since the last mathematics glossary was published by MOE in 1937, there have been two curriculum revisions. As a result, many terms which are newly included in the curriculum are not specified in the mathematics glossary. Moreover, part of mathematics terms and the informations about mathematicians and mathematics educators in mathematics glossary are not correct. Thus the revision of the mathematics glossary is definitely necessary. To collect the opinions about mathematics terms, a large scale survey targeting mathematics education researchers and mathematics teachers was conducted and the subsequent meetings were held. Also, the studies regarding mathematics terminology were thoroughly reviewed to provide the direction of desirable mathematics terms. Reflecting all these informations, the draft of the new mathematics glossary was completed.

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국제양돈수의학회(I.P.V.S.) -수의업무 세계화의 길이 보인다.-

  • 강영배
    • Journal of the korean veterinary medical association
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    • 제32권8호
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    • pp.535-539
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    • 1996
  • 국제양돈수의학회(International Pig Veterinary Society ; I.P.V.S) 제14차 총회 및 학술대회가 1996년 7월 7일부터 11일까지 이태리 중북부의 대학도시 볼로냐(Bologna, Italy)에서 개최되었다. I.P.V.S.는 1969년에 영국의 캠브리지 (Cambridge, United Kingdom)에서 창립된 이래 1996년 현재 53개 회원국 1,700 여명의 회원을 확보하고 있으며, 세계 각국의 양돈과 수의학에 관심을 가지고 있는 학자, 생산자 그리고 관련업계 인사들의 학술$\cdot$기술 정보교류와 협력을 목적으로 매 2년마다 세계 주요도시를 순회 하면서 개최되고 있다. 앞으로 2년후(1998년도)에는 I.P.V.S.의 탄생국인 영국의 버밍햄(Birmingham, United Kingdom)에서 제 15차 총회 및 학술대회를 개최할 예정이며 2000년대에는 시드니 올림픽과 때를 맞추어 호주의 멜보른(Melboume, Australia)에서 제16차 총회를 개최하기로 결정되어 있다. 금년(1996년도) I.P.V.S 총회에는 우리나라에서 30개 기관/업체로부터 50여명이 참여한 바 있으며 총 27편 (구두 9편, 포스터 18편)의 학술논문을 발표하는 등 눈부신 활약을 보인 바 있다. 금년도 I.P.V.S. 총회의 특징은 돼지의 전염성 질병중 근래에 우리나라에서도 문제시 되고 있는 '돼지 생식기 호흡기 중후군 (Porcine Reproductive and Respiratory Syndrome ; PRRS)'이 세계적인 관심의 대상이었으며, 이태리 양돈병리축산학회 (Societa Italiana di Patologia ed Allevamento dei Suini ; S.I.P.A.S) 주관으로 '돼지 적리 (Swine Dysentery)'에 관한 Satellite Symposium이 개최되었다는 점이다. WTO 이래 어려워지고만 있는 우리나라 축산업 분야중 그래도 비젼이 보이는 양돈산업과 관련하여, I.P.V.S.를 통하여 우리나라 수의업무의 세계화의 길을 찾아보고자, 1 국제양돈수의학회(I.P.V.S)의 역사 (양돈과 수의업무 전문가의 새로운 만남의 장), 2 I.P.V.S.에의 참여(제13차 방콕대회), 3 한국 수의사의 활약(제14차 볼로냐대회), 4 세계화의 길(제15차 버밍햄대회, 제16차 멜보른대회), 5 국내양돈의 문제와 우리가 해야할 일(수의업무 세계화의 길을 찾자)등의 순으로 적어보고자 한다.

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Comparative study on experimental measurements of discharge using various flow meters (유속측정 기기별 측정성과에 대한 실험적 비교분석)

  • Lee, Jae-Hyug;Kang, Kyang-Min;Jung, Sung-Won;Kim, Tae-Woong
    • Proceedings of the Korea Water Resources Association Conference
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    • 한국수자원학회 2009년도 학술발표회 초록집
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    • pp.1908-1912
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    • 2009
  • 유량자료는 물의 순환과정을 규명하고 효율적인 수자원 개발 및 이수 치수 계획 등에 매우 귀중하게 이용된다. 그러나 이러한 유량자료를 확보하는 데는 많은 시간과 경비 등이 요구되기 때문에 주요 수위의 유량측정자료로 수위-유량관계 곡선식(Stage-Discharge Curve)을 개발하여 유량자료를 환산하고 있다. 따라서 수위-유량관계 곡선식의 신뢰도는 유량자료의 품질에 절대적인 영향을 미치는 요인으로 작용된다. 수문학을 연구하는 많은 학자들은 고품질의 유량자료를 생산하여 신뢰성 있는 곡선식을 개발하고자 유량측정 방법과 기준, 장비개량 등에 관한 연구를 수행하고 있다. 측정하고자 하는 기기별 측정 성과에 대한 연구 자료가 거의 없이 국내에 보급된 다양한 유속측정기기를 사용하여 유량자료를 생산하여 활용하고 있다. 본 연구에서는 규격화된 콘크리트 수로에 일정한 유량을 흘려보내고 다양한 측정기기를 이용하여 유속을 측정하였다. 그리고 이 측정성과를 이용하여 유량을 산정하고 비교분석하였다. 실험을 위해서 국내에서 일반적으로 사용되고 있는 측정기기로 마그네틱유속계(Electromagnetic Current Meter), 휴대용유량계(Flow Meter), 프라이스유속계(USGS Type AA Current Meter), 갈수기용유속계(USGS Pygmy Meter)등의 장비를 사용하였으며, 동일한 조건에서 유량을 얻음으로 측정 기기가 제시하는 유량을 알 수 있었다. 비교검토에 적용하고자 측정한 수심으로는 0.25m, 0.30m, 0.35m, 0.40m의 4개 Case로 진행이 되었으며, 측정방법으로는 도섭법(Wading Measurement)에 의하거나 케이블웨이(Cableway), 교량법(Bridge Measurement), 보트법(Boat Measurement)등이 있으나, 신뢰성과 정확도를 높이기 위해 도섭법으로 수면에서 0.6d 지점의 유량측정방법(1점법)을 적용하였다. USGS Type AA Current Meter, USGS Pygmy Meter는 유속측정기기의 검교정을 받았으므로 다른 실험유속측정치의 비교를 위한 기준값으로 사용하였다. 따라서 국내에서 널리 사용되는 측정기기(Electromagnetic Current meter, Flow Meter, USGS Type AA Current Meter, USGS Pygmy Meter)별 검토 결과 프라이스유속계를 기준으로 마그네틱유속계는 ${\pm}$10% 이상, 갈수기용 유속계 및 휴대용 유량계는 ${\pm}$5% 미만의 차이가 있음을 확인할 수 있었다.

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An Analysis of 'Any' and 'Amwu' ('ANY'와 '아무'에 관한 분석)

  • Kim, Hanseung
    • Korean Journal of Logic
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    • 제17권2호
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    • pp.253-287
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    • 2014
  • In First-Order Logic the English expressions, 'any', 'every', 'all', and 'each' are treated on a par but have different meanings in the natural language usages. Especially the expression 'any' is typically used only in the negative contexts, which linguists have paid attention to and attempted to provide an adequate explanation of. I shall show that the explanations so far mainly from linguists are not satisfactory and revive the philosophical insights concerning the logical features of 'any' provided by Zeno Vendler in 1962. I shall claim that the expression 'any' has what Vendler calls the 'freedom of choice' as its primary meaning and denotes what Kit Fine calls an 'arbitrary object'. It will be shown that the logical features of 'any' are manifested more evidently in the analysis of the Korean expression 'amwu'. I believe that this analysis has significant philosophical implications. As an instance I shall show that we can take a fresh perspective on the problem which involves the universal generalization rule and the preface paradox.

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Current Patents and Papers Research Trend of Fuel Cell Membrane (특허 및 논문 게재 분석을 통한 연료전지용 전해질막의 연구동향)

  • Woo, Chang Hwa
    • Membrane Journal
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    • 제26권6호
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    • pp.407-420
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    • 2016
  • The fuel cell technology as a green energy source has been actively studied to solve energy shortages and pollution problems. The generating efficiency of fuel cell is high because the electricity is directly produced by using hydrogen and oxygen and the additional power generator is not needed. The key technology is the manufacturing process of polymer electrolyte membranes for polymer electrolyte membrane fuel cell (PEMFC) system. The Nafion, perfluoro-based polymeric membrane is mainly used as a polymer electrolyte membrane. However, the Nafion is expensive and rapidly decreases the performance of Nafion at high temperature. So, many researchers are lively studying new alternative electrolyte membranes. In this review, through the technology competitiveness evaluation of patents and papers, the frequencies of presentation are filed by country, institution and company. In addition, polymer electrolyte membrane fuel cell, direct methanol fuel cell and alkaline fuel cell are also filed.